Home / 4,538.91-6,808.36-1,418.93

Finding the Fourth Proportional to 4,538.91, 6,808.36 and 1,418.93

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Solution

The fourth proportional to 4,538.91, 6,808.36 and 1,418.93 is: 2,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.91 : 6,808.36 = 1,418.93 : x
  2. Step 2: Convert to fraction form
    4,538.91/6,808.36 = 1,418.93/x
  3. Step 3: Cross multiply
    4,538.91x = 6,808.36 × 1,418.93
  4. Step 4: Simplify right side
    4,538.91x = 9,660,572.78
  5. Step 5: Solve for x
    x = 9,660,572.78/4,538.91
  6. Step 6: Final answer
    x = 2,128.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.